send -1 if coloretemp not ok

src/main.cpp

@@ -259,7 +259,7 @@ void setup() {
   #ifdef SENSOR_BMP180
     Serial.println("initializing bmp180");
     if (!bmp180.begin()){
-      Serial.println("#ERROR: BMP180 init fail\n\n");
+      Serial.println("#ERROR: BMP180 init fail\n");
     }else{
       bmp180init_ok=true; //stays false if init failed, sensor will not be read in loop
     }
@@ -947,9 +947,11 @@ void loop_TCS34725_colortemp()
         sensorNode.setProperty("colortemp").send(String(value_colortemp));
       }else{
         Homie.getLogger() << "didn't send tcs ct because value is too low" << endl;
+        sensorNode.setProperty("colortemp").send(String(-1));
       }
     }else{
       Homie.getLogger() << "didn't send tcs ct because light too low: " << tcs.lux << "lux" << endl;
+      sensorNode.setProperty("colortemp").send(String(-1));
     }
         
     d.lastsentvalue=value_colortemp;
@@ -1010,11 +1012,9 @@ void loop_raingauge()
       }else{
         value_raingauge=3600000/(millis()-raingauge_lasttimereset)/raingauge_pulsecounter*RAINGAUGE_FLIPAMOUNT;
       }
-    }
-
-    if (abs((int)d.lastsentvalue-value_raingauge)>=d.minchange){ //int abs  //for raingauge minchange should be 0 (send every change)
       _changed=true;
     }
+
     d.lastreadtime=millis();
   }